Leuconostoc species are Gram-positive coccobacilli and are used in
dairy products and are intrinsically resistant to
vancomycin.
Leuconostoc infections are rare in
humans, usually occurring in immune-compromised
patients. We describe 6
patients with
Leuconostoc bacteremia at Dong-A
university hospital between 1990 and 2015. One isolate (L. lactis) was identified to species level using
16S rRNA gene sequencing
analysis. All
patients had underlying
diseases and 5
patients underwent
procedures that interrupted the normal integumentary defense. Four
patients died within 30 days after being identified as
carrying Leuconostoc species.